CN105370710A - A shaft device capable of guiding rotation - Google Patents

Abstract

The invention provides a rotating shaft device capable of guiding rotation, which is provided with a rotating shaft device and a guiding linkage part, wherein the rotating shaft device is provided with a shaft cylinder, a first rotating shaft and a second rotating shaft are arranged in the shaft cylinder in a penetrating mode, two ends of the guiding linkage part are respectively eccentrically pivoted to the first rotating shaft and the second rotating shaft, and when the first rotating shaft rotates and the shaft cylinder bypasses the second rotating shaft, the center point of the shaft centers of the first rotating shaft and the second rotating shaft can be kept between the two ends of the guiding linkage part, so that the angular speeds of the first rotating shaft and the shaft cylinder bypassing the second rotating shaft are equal.

Description

A shaft device capable of guiding rotation

technical field

The invention relates to a rotating shaft device capable of guiding rotation, especially a rotating shaft device used in double-page electronic products, so that the upper cover of the double-page electronic product can be flipped to the bottom surface of the lower cover.

Background technique

By the way, today's double-page electronic products, such as: notebook computers, smart phones...etc. As a tablet computer, generally speaking, this kind of double-page electronic product uses a double-axis rotating shaft device to achieve its 360-degree turning action. However, the current double-axis rotating shaft device drives the upper cover of the double-page electronic product to flip Most of the lifting action is that after the first rotating shaft rotates 180 degrees, the second rotating shaft rotates 180 degrees again to complete the 360-degree turning action. The cover will not be on the same plane, which will damage the appearance of the product; there is also a connecting rod to drive the first rotating shaft and the second rotating shaft to rotate synchronously, so that when the upper cover is turned to 180 degrees, the upper cover and the lower cover can be located on the same plane, but this In the method of using a connecting rod, the angular speeds of the first rotating shaft and the second rotating shaft are not equal, so that the rotating process may be unsmooth or stuck.

Therefore, how to solve the above-mentioned existing problems and deficiencies is a subject that relevant industry players are eager to research and develop.

Contents of the invention

The main purpose of the present invention is to use the limit groove of the guide linkage to make the guide linkage keep the center point of the axis center of the first shaft and the second shaft when the first shaft and the second shaft rotate. Between the two ends of the guiding link, the angular velocity of the first rotating shaft and the second rotating shaft are equal.

In order to achieve the above object, the present invention can guide the rotating shaft device, which is provided with a rotating shaft device and a guiding linkage. The second rotating shaft extends from the same side of the shaft cylinder to connect the first connecting part and the second connecting part for connecting the upper cover and the lower cover of the electronic product, and the first rotating shaft is provided with a second connecting part on the other side away from the first connecting part. A pivot joint, the second shaft is provided with a second pivot joint on the other side away from the second connection portion, and the shaft device is fixed on the side of the shaft cylinder close to the first pivot joint, and a limit column is fixed. The center of the guide link is located at the midpoint of the two axes of the first rotating shaft and the second rotating shaft. , and the first pivot end and the second pivot end are respectively pivotally connected to the first pivot portion and the second pivot portion of the shaft device, and the first pivot end is eccentrically pivotally connected to the first pivot portion, the second The two pivot ends are pivotally connected to the second pivot portion eccentrically, and the limiting post of the rotating shaft device is located in the limiting groove.

Description of drawings

Fig. 1 is the perspective view of the first embodiment of the present invention;

Fig. 2 is a three-dimensional exploded view of the first embodiment of the present invention;

Fig. 3 is the schematic diagram of the first embodiment of the present invention;

Fig. 4 is a schematic diagram of the action of the first embodiment of the present invention;

5 is a perspective view of a second embodiment of the present invention;

Fig. 6 is a three-dimensional exploded view of the second embodiment of the present invention;

Fig. 7 is the schematic diagram of the second embodiment of the present invention;

Fig. 8 is a schematic diagram of the action of the second embodiment of the present invention;

Fig. 9 is a perspective view of a third embodiment of the present invention;

Fig. 10 is a three-dimensional exploded view of the third embodiment of the present invention;

11 is a schematic diagram of a third embodiment of the present invention;

Fig. 12 is a schematic diagram of the action of the third embodiment of the present invention;

Fig. 13 is a perspective view of a fourth embodiment of the present invention;

Fig. 14 is a three-dimensional exploded view of the fourth embodiment of the present invention;

Fig. 15 is a schematic diagram of a fourth embodiment of the present invention;

Fig. 16 is a schematic diagram of the operation of the fourth embodiment of the present invention.

Explanation of reference signs: 1-rotating shaft device; 11-shaft cylinder; 12-first rotating shaft; 121-first connecting part; 122-first pivot joint; 123-first positioning hole; 13-second rotating shaft; 131 - second connecting part; 132-second pivoting part; 133-second positioning hole; 14-positioning sheet; 141-first pivoting hole; 142-second pivoting hole; 143-connecting hole; 15-limit Position column; 2, 5, 6, 7-guiding link; 21, 51, 61, 71-body; 211, 511, 611 limit groove; 22, 52, 62, 72-first pivot end; 221, 521, 621, 721 - the third pivot hole; 23, 53, 63, 73 - the second pivot end; 231, 531, 631, 731 - the fourth pivot hole; 3 - the first pivot post; 4-second pivotal column; 711-guiding surface; 8-electronic product; 81-upper cover; 82-lower cover.

detailed description

Please refer to Figures 1 to 3, it can be clearly seen from the figures that the present invention is provided with a rotating shaft device 1 and a guiding linkage 2, wherein:

The rotating shaft device 1 has a shaft cylinder 11, a first rotating shaft 12 and a second rotating shaft 13 are pierced through the shaft cylinder 11, and a first connecting portion 121 extends from the same side of the shaft cylinder 11 as the first rotating shaft 12 and the second rotating shaft 13. With the second connecting part 131, the first connecting part 121 is connected with the upper cover 81 of the electronic product 8, the second connecting part 131 is connected with the lower cover 82 of the electronic product 8, and the first rotating shaft 12 is away from the first connecting part 121 The other side of the first pivot joint 122 is provided with a first positioning hole 123 on the surface of the first pivot joint 122. The first positioning hole 123 is located on one side of the axis of the first shaft 12, and the second shaft 13 is far away from the The other side of the second connecting part 131 is provided with a second pivotal part 132, and the surface of the second pivotal part 132 is provided with a second positioning hole 133, and the second positioning hole 133 is located on one side of the axis of the second rotating shaft 13; That is, the rotating shaft device 1 is provided with a positioning piece 14 on the side of the shaft cylinder 11 close to the first pivotal part 122, and the two ends of the positioning piece 14 are respectively provided with a first pivotal hole 141 and a second pivotal hole 142, and the first A connection hole 143 is provided between the pivot hole 141 and the second pivot hole 142, so that the first pivot portion 122 of the first shaft 12 is pivotally connected to the first pivot hole 141, and the second pivot portion of the second shaft 13 is connected to The portion 132 is pivotally connected to the second pivot hole 142, and a limit post 15 is provided on the side of the shaft cylinder 11 close to the first pivot portion 122. One end of the limit post is fixedly connected to the connection hole 143, so that the stop post 15 The center of is located at the midpoint of the two axes of the first rotating shaft 12 and the second rotating shaft 13 .

The guide link 2 has a body 21, the two ends of the body 21 are respectively provided with a first pivot end 22 and a second pivot end 23, and the surfaces of the first pivot end 22 and the second pivot end 23 are respectively provided with a first pivot end. Three pivot holes 221 and a fourth pivot hole 231, and the third pivot hole 221 is pivotally provided with a first pivot post 3, the end of the first pivot post 3 is positioned in the first positioning hole 123, and the fourth pivot A second pivot post 4 is pivotally provided in the connection hole 231, and the end of the second pivot post 4 is positioned in the second positioning hole 133, so that the first pivot end 22 and the second pivot end 23 are pivotally connected to the shaft device 1 respectively. The first pivotal portion 122 and the second pivotal portion 132, and the first pivotal end 22 is eccentrically pivoted to the first pivotal portion 122, and the second pivotal end 23 is eccentrically pivoted to the second pivotal portion 132; Furthermore, a limiting groove 211 is provided on the surface of the body 21 , and the limiting groove 211 is elongated, and the limiting column 15 of the rotating shaft device 1 is located in the limiting groove 211 .

Please refer to FIGS. 1 to 4. It can be clearly seen from the figures that when the user flips the upper cover 81 of the electronic product 8, the upper cover 81 will drive the first rotating shaft 12 to rotate, and the first rotating shaft 12 will drive the second rotating shaft. A pivoting post 3 rotates to drive the guide link 2. Since the two ends of the guide link 2 are respectively pivotally connected to the first rotating shaft 12 and the second rotating shaft 13, the first pivoting post 3 is driven by the rotational displacement. force, drives the shaft cylinder 11 to go around the second rotating shaft 13, and relies on the setting of the limiting column 15 located in the limiting groove 211 of the guide linkage 2, so that the first rotating shaft 12 and the shaft cylinder 11 can go around when rotating When the second rotating shaft 13 is used, keep the center point of the axis center of the first rotating shaft 12 and the second rotating shaft 13 between the two ends of the guide link 2, so that the first rotating shaft 12 and the shaft cylinder 11 go around the angular velocity of the second rotating shaft 13 equal.

Please refer to Fig. 5 to Fig. 8, it can be clearly seen from the figures that the difference between the second embodiment of the utility model and the aforementioned first embodiment is that the limiting groove 511 of the main body 51 of the guiding link 5 is in the shape of Arc, similarly, when the first rotating shaft 12 is rotating, and when the shaft cylinder 11 goes around the second rotating shaft 13, the first rotating shaft 12 and the second rotating shaft 12 can be kept in contact with the first rotating shaft 12 by virtue of the setting of the limiting post 15 in the limiting groove 511. The center point of the axes of the two rotating shafts 13 is located between the two ends of the guiding link 5 , so that the angular speeds of the first rotating shaft 12 and the shaft cylinder 11 around the second rotating shaft 13 are equal.

Please refer to Figures 9 to 12, it can be clearly seen from the figures that the difference between the third embodiment of the present invention and the aforementioned first embodiment is that the limiting groove 611 of the main body 61 of the guide link 6 is in the shape of Elongated, and the two ends of the limiting slot 611 face to the different sides of the first pivotal part 122 and the second pivotal part 132, similarly, when the first rotating shaft 12 is rotating, and the shaft cylinder 11 goes around the second rotating shaft At 13 o'clock, by virtue of the setting of the limit post 15 in the limit groove 611, the center point of the axis center of the first rotating shaft 12 and the second rotating shaft 13 can be kept between the two ends of the guide linkage 6, so that the first rotating shaft 12 It is equal to the angular velocity of the shaft cylinder 11 going around the second rotating shaft 13 .

Please refer to Fig. 13 to Fig. 16, it can be clearly seen from the figures that the difference between the fourth embodiment of the utility model and the aforementioned first embodiment lies in that the side of the main body 71 of the guide link 7 of the fourth embodiment is A guide surface 711 is provided, the guide surface 711 is arc-shaped, and the guide surface 711 abuts against the side surface of the limit post 15 of the rotating shaft 1, so that the first rotating shaft 12 and the shaft cylinder 11 go around when rotating When the second rotating shaft 13 is used, the center point of the axes of the first rotating shaft 12 and the second rotating shaft 13 can be kept between the two ends of the guiding linkage 7 by virtue of the setting of the limiting post 15 against the guide surface 711, Make the angular velocity of the first rotating shaft 12 and the shaft cylinder 11 around the second rotating shaft 13 equal.

Claims (10)

1. A rotating shaft device capable of guiding rotation, characterized in that: a rotating shaft device and a guiding linkage are provided, wherein: The rotating shaft device has a shaft tube, and a first rotating shaft and a second rotating shaft are pierced in the shaft tube. The first rotating shaft and the second rotating shaft extend out from the same side of the shaft tube to connect the upper cover and the lower cover of the electronic product. The connecting part and the second connecting part, and the first rotating shaft is provided with a first pivoting part on the other side away from the first connecting part, and the second rotating shaft is provided with a second pivoting part on the other side away from the second connecting part , and the rotating shaft device is fixed on the side of the shaft cylinder close to the first pivot joint with a limit column, and the center of the limit column is located at the midpoint of the two axes of the first rotating shaft and the second rotating shaft; The guide link has a body, the two ends of the body are respectively provided with a first pivot end and a second pivot end, and the surface of the body is provided with a limit groove, and the first pivot end and the second pivot end are respectively pivoted. It is connected to the first pivot joint and the second pivot joint of the rotating shaft device, and the first pivot joint is eccentrically pivoted to the first pivot joint, and the second pivot joint is eccentrically pivoted to the second pivot joint, so that The limit column of the rotating shaft device is located in the limit groove. 2. The rotating shaft device capable of guiding rotation according to claim 1, characterized in that: the rotating shaft device is provided with a positioning piece on the side of the shaft cylinder close to the first pivot joint, and the two ends of the positioning piece are respectively provided with a first pivot The connection hole and the second pivot hole, and a connection hole is provided between the first pivot hole and the second pivot hole, so that the first pivot portion of the first shaft is pivotally connected to the first pivot hole, and the second shaft The second pivot portion of the second pivot is pivotally connected to the second pivot hole, and one end of the limiting column is fixedly connected to the connection hole. 3. The rotating shaft device capable of guiding rotation according to claim 1, characterized in that: the surface of the first pivot joint of the rotating shaft device is provided with a first positioning hole, and the first positioning hole is located on one side of the axis of the first rotating shaft , and the surface of the second pivotal part is provided with a second positioning hole, the second positioning hole is located on one side of the axis of the second rotating shaft, and the surface of the first pivotal end and the second pivotal end of the guide link are respectively provided with There are a third pivot hole and a fourth pivot hole, and a first pivot post is arranged in the third pivot hole, the end of the first pivot post is positioned in the first positioning hole, and the fourth pivot hole is pivoted A second pivot post is provided, and the end of the second pivot post is positioned in the second positioning hole. 4 . The rotating shaft device capable of guiding rotation according to claim 1 , characterized in that: the limiting slot of the guiding link is elongated. 5 . The rotating shaft device capable of guiding and rotating according to claim 1 , wherein the limiting groove of the guiding link is arc-shaped. 6 . 6. The rotating shaft device capable of guiding rotation according to claim 1, characterized in that: the limiting slot of the guiding link is elongated, and the two ends of the limiting slot face the first pivot joint and the second The pivot joints are on different sides. 7. A rotating shaft device capable of guiding rotation, provided with a rotating shaft device and a guiding linkage, characterized in that: The rotating shaft device has a shaft tube, and a first rotating shaft and a second rotating shaft are pierced in the shaft tube. The first rotating shaft and the second rotating shaft extend out from the same side of the shaft tube to connect the upper cover and the lower cover of the electronic product. The connecting part and the second connecting part, and the first shaft is provided with a first pivotal part on the other side away from the first connecting part, and the second rotating shaft is provided with a second pivotal part on the other side away from the second connecting part , and the rotating shaft device is fixed on the side of the shaft cylinder close to the first pivot joint with a limit column, and the center of the limit column is located at the midpoint of the two axes of the first rotating shaft and the second rotating shaft; The guide link has a body, the two ends of the body are respectively provided with a first pivot end and a second pivot end, and a guide surface is provided on the side of the body, and the first pivot end is connected to the second pivot end. The ends are respectively pivotally connected to the first pivotal part and the second pivotal part of the rotating shaft device, and the first pivotal end is pivotally connected to the first pivotal part eccentrically, and the second pivotal end is pivotally connected to the second pivotal part eccentrically. , and make the limit column of the rotating shaft device bear against the guide surface. 8. The rotating shaft device capable of guiding rotation according to claim 7, characterized in that: the rotating shaft device is provided with a positioning piece on the side of the shaft cylinder close to the first pivot joint, and the two ends of the positioning piece are respectively provided with a first pivot The connection hole and the second pivot hole, and a connection hole is provided between the first pivot hole and the second pivot hole, so that the first pivot portion of the first shaft is pivotally connected to the first pivot hole, and the second shaft The second pivot portion of the second pivot is pivotally connected to the second pivot hole, and one end of the limiting column is fixedly connected to the connection hole. 9. The rotating shaft device capable of guiding rotation according to claim 7, characterized in that: the surface of the first pivotal part of the rotating shaft device is provided with a first positioning hole, and the first positioning hole is located on one side of the axis of the first rotating shaft , and the surface of the second pivotal part is provided with a second positioning hole, the second positioning hole is located on one side of the axis of the second rotating shaft, and the surface of the first pivotal end and the second pivotal end of the guide link are respectively provided with There are a third pivot hole and a fourth pivot hole, and a first pivot post is arranged in the third pivot hole, the end of the first pivot post is positioned in the first positioning hole, and the fourth pivot hole is pivoted A second pivot post is provided, and the end of the second pivot post is positioned in the second positioning hole. 10 . The rotating shaft device capable of guiding rotation according to claim 7 , wherein the guiding surface of the guiding link is arc-shaped. 11 .